Person in hard hat on job site

Calculating Bulk Density

Bulk density is an important calculation if you want your equipment sized correctly. Here are a few simple steps to determine your material’s bulk density. Contact Hapman for a bulk…

Sand tray on a laboratory balance.

What is bulk density?

When you’re generating saleable product, weight in KG or LBS is often the most important number. Operators often have the target weights engrained in memory. Unfortunately, the movement of material…

powders and bulk solids

Moving Material through a Process: A Guide to Selecting the Right Conveyor

Summary The proper selection and sizing of a conveyor is critical to successfully meeting production goals. The key factors that should be evaluated when choosing a conveyor are; material, operation,…

Person with gloves holding powder in a petri dish

Top Equipment Design Considerations for Handling Bulk Chemical Powders

“Successful conveying and handling of chemical powders requires much more input than understanding a material’s properties, the desired convey rate and distance. Today’s manufacturers are faced with tighter margins, leaner…

Hapman Vacuum Conveyor with Open Door

Regenerative Blower-Driven Vacuum Conveyors Fill Niche for Efficient, Small-Footprint Pneumatic Conveying

Regenerative Blower-Driven Vacuum Conveyors Fill Niche for Efficient, Small-Footprint Pneumatic Conveying By Steve Grant, Product Specialist Pneumatic conveying systems are frequently an excellent choice for moving large quantities of powdered,…

Hapman Helix Flexible Screw Conveyor Models

How Industry Expertise Ensures Correct Flexible Screw Conveyor Selection and Process Uptime

Introduction Most if not all manufacturing operations that deal with bulk materials will agree that downtime and loss of production are at the top of their list of process concerns.…

several wire types

How to Get the Most Out of Your Flexible Screw Conveyor

Increasing Conveyor Performance and Efficiency Due to their relatively low cost and simple construction, flexible screw conveyors are one of the most common types of conveyors used by manufacturers. The…

Round link chains

The Case for Engineered Chains Over Round-Link Chains

Both varieties of chain-type tubular drag conveyors often compete for the same work. Here’s why they shouldn’t. The concept of tubular drag conveying is a common consideration among industries needing…

feeder

Material Effect on Power Requirements for Screw Feeders

CHALLENGE A screw feeder is commonly used to meter flow in powder processing applications because of ease of use, low maintenance, and material integrity without degradation. The relatively simplistic equipment…

Image of different types of food and wooden scoops

Key Factors of Material Handling Equipment Design and Selection

Considerations When Handling Dry Ingredients INTRODUCTION Successful conveying and handling of dry ingredients requires much more input than understanding a material’s properties, the desired convey rate and distance. Today’s manufacturers…

Hapman Vacuum Conveyor Family

Pneumatic Conveying Systems

Choosing a Pneumatic Conveying System: Pressure or Vacuum Because they are efficient and inherently dust-tight, pneumatic conveying systems provide the most practical method for moving large quantities of dry materials,…

Hapman Tubular Drag Conveyor and En-Masse Drag Conveyor

Drag Chain Conveyor Operation Understanding the Functional Differences Between Drag Conveyor and En-Masse Drag Conveyor

Understanding the Functional Differences Between Drag Conveyor and En-Masse Drag Conveyor Chain conveyors whether known as Drags, Scraper, Paddle, or En-Masse all start out with a continuous chain and fixed…

Image of inside facility

Tubular Drag Conveying – A Cost-Effective, Energy-Saving Alternative to Pneumatic Conveying

Pneumatic conveying is often considered the standard solution for transferring materials in bulk solids plants. In many applications, however, a type of mechanical conveying — tubular drag conveying — can…

Tubular Drag Conveyor with multi chains

The Evaluation of Tubular Drag Conveyor Types

The Tubular drag conveyor has become the system of choice for many manufacturers who process bulk materials because of the conveyor’s layout flexibility, many flight and chain options that prevent…

pre-mix solutions

Pre-Mix Solutions and Slurries – Effectively, Economically and Safely

INDUSTRY Chemical Industry CHALLENGE A perpetual challenge in the chemical industry has been finding an ideal way to effectively mix solids and liquids to create optimal slurry – and at…

Hapman selection of conveyors

Moving Material Through a Process

CHALLENGE Selecting a conveyor for a bulk material handling application is not always as straight forward as one might think. Moving material consistently, at a rate that is inline with…

mitigating risk of dust

Mitigating the Risk of Dust from Bulk Bag Discharge

CHALLENGE Controlling dust is a constant challenge for any processor that handles dry bulk material. The hazards from dust span the health and safety spectrum from mildly irritating and unclean,…

Tubular Drag Conveyor with multi plains

Tubular Drag Technology for the Conveyance of Powder and Bulk Solids

CHALLENGE Engineering conveying systems for today’s processors requires far more than just moving product from point A to point B. Engineers must also consider plant and worker safety through assessing…

iris valve

How Does an Iris Valve Work

Most of us are familiar with the iris diaphragm, a simple mechanism that can expand or decrease the opening of a circular hole. Common examples are camera shutters and the…